Lenovo ThinkSystem SN850 Product Manual - Page 27
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VM load balancing: Provides traffic load balancing (Tx and Rx) across VMs that are bound to the
team interface. It also provides fault tolerance if a switch, port, or cable fails or is disconnected.
Auto-detect (PnP) feature for the LOM adapters, enabling you to change speed (eg from a 1Gb LOM
to 10 Gb LOM) and the network interface will automatically reconfigure during the boot process.
Note: The onboard Ethernet controller does not support 10 Mb or 100 Mb Ethernet connections.
I/O expansion options
The SN850 has four I/O expansion connectors for attaching I/O adapter cards. The I/O expansion
connectors use a high-density, 216-pin PCIe connection. Installing I/O adapter cards allows the server to
connect with I/O modules in the chassis. Each slot has a PCI Express 3.0 x16 host interface and all slots
support the same form-factor adapters.
The following figure shows the location of the I/O expansion connectors.
Figure 7. Location of the I/O adapter slots in the SN850 server
All I/O adapters are the same form factor. A compatible switch or pass-through module must be installed
in the corresponding I/O bays in the chassis, as indicated in the following table. Installing two switches
means that all ports of the adapter are enabled, which improves performance and network availability.
Lenovo ThinkSystem SN850 Server
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